Perhaps you should try some spelling variations:
"do demographic make papers 2/2011" » "do demographic data papers 2/2011", "do demographic change papers 2/2011", "do demographic impact papers 2/2011", "_ demographic make papers 2/2011", "a demographic make papers 2/2011", "16 demographic make papers 2/2011", "do demographic make paper 2/2011", "do demographic make paper _/2011", "do demographic make paper i/2011"
"do demographics matter papers _/2011" » "_ demographics matter papers _/2011", "_ demographic matter papers _/2011", "a demographic matter papers _/2011", "a demographics matter papers _/2011", "16 demographics matter papers _/2011", "do demographics matter expert _/2011"

You may be able to get more results by adjusting your search query.

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• Adding a wildcard symbol may retrieve word variants: (("do demographic make papers 2/2011") or ("do demographics matter papers _/2011"))*.